package DPI.config;

//新建SpringUtil用来获取bean

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

public class SpringUtil implements ApplicationContextAware{

  private static ApplicationContext applicationContext = null;

  @Override
  public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
     if(SpringUtil.applicationContext == null){
         SpringUtil.applicationContext  = applicationContext;

     }
    System.out.println("---------------simple.plugin.spring.SpringUtil------------------------------------------------------");
    System.out.println("========ApplicationContext配置成功,在普通类可以通过调用SpringUtils.getAppContext()获取applicationContext对象,applicationContext="+SpringUtil.applicationContext+"========");
  }
  //获取applicationContext
  public static ApplicationContext getApplicationContext() {
     return applicationContext;
  }

  //通过name获取 Bean.
  public static Object getBean(String name){
     return getApplicationContext().getBean(name);
  }

  //通过class获取Bean.
  public static <T> T getBean(Class<T> clazz){
     return getApplicationContext().getBean(clazz);

  }

  //通过name,以及Clazz返回指定的Bean
  public static <T> T getBean(String name,Class<T> clazz){
     return getApplicationContext().getBean(name, clazz);
  }

}